Reset Overruns About this taskThis topic describes how to reset overruns count. Overruns are a count of the total number of data events not collected on their scheduled polling cycle. In normal operation, this value should be zero, if not, you can reset it to zero. Procedure Access Configuration Hub. In the NAVIGATION section, under the Configuration Hub plugin for Historian, select Collectors. A list of collectors appears, displaying the details. Select the row containing the collector whose details you want to access. Right-click the collector (or select ), and then select Reset Overruns. A confirmation window appears, prompting you whether or not to reset the performance counter to zero. Select Reset. The Overruns are reset.